package com.sky.mapper;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /**
     * 动态条件查询
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 添加购物车商品数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id=#{id}")
    void updateCartNumber(ShoppingCart shoppingCart);

    /**
     * 新增一个购物车商品
     * @param shoppingCart
     */
    void addCart(ShoppingCart shoppingCart);

    @Delete("delete from shopping_cart where user_id = #{currentId}")
    void delete(Long currentId);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
